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Commit 9889376a authored by David S. Miller's avatar David S. Miller
Browse files

sparc: Implement of_iomap(). 



Grab the pre-computed resource and map using of_ioremap().

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 930952af

arch/sparc/kernel/of_device_common.c

+14 −0
Original line number Diff line number Diff line
@@ -35,6 +35,20 @@ int of_address_to_resource(struct device_node *node, int index, 
}

EXPORT_SYMBOL_GPL(of_address_to_resource);



void __iomem *of_iomap(struct device_node *node, int index)

{

	struct platform_device *op = of_find_device_by_node(node);

	struct resource *r;



	if (!op || index >= op->num_resources)

		return NULL;



	r = &op->archdata.resource[index];



	return of_ioremap(r, 0, resource_size(r), (char *) r->name);

}

EXPORT_SYMBOL(of_iomap);



/* Take the archdata values for IOMMU, STC, and HOSTDATA found in

 * BUS and propagate to all child platform_device objects.

 */